1 files changed, 2 insertions, 3 deletions
diff --git a/src/passes/pass.cpp b/src/passes/pass.cpp
index d7391a390..62b3683fa 100644
--- a/src/passes/pass.cpp
+++ b/src/passes/pass.cpp
@@ -739,9 +739,6 @@ static void dumpWasm(Name name, Module* wasm) {
 }
 
 void PassRunner::run() {
-  assert(!ran);
-  ran = true;
-
   static const int passDebug = getPassDebug();
   // Emit logging information when asked for. At passDebug level 1+ we log
   // the main passes, while in 2 we also log nested ones. Note that for
@@ -885,6 +882,8 @@ void PassRunner::doAdd(std::unique_ptr<Pass> pass) {
   passes.emplace_back(std::move(pass));
 }
 
+void PassRunner::clear() { passes.clear(); }
+
 // Checks that the state is valid before and after a
 // pass runs on a function. We run these extra checks when
 // pass-debug mode is enabled.